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Code Biases in Multi-GNSS Point Positioning

Montenbruck, Oliver and Hauschild, André (2013) Code Biases in Multi-GNSS Point Positioning. ION-ITM-2013, 28. Jan. - 30. Jan 2013, San Diego, CA.

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Pseudorange measurements collected with Global Navigation Satellite System (GNSS) receivers are known to exhibit systematic offsets related to delays in the analogue or digital part of the overall signal generation, transmis-sion and processing chain. In a multi-GNSS context, measurements obtained from different signals, frequencies and constellations need to be processed along with each other and a proper consideration of biases becomes mandatory for a consistent modeling of all observations. The present report discusses code biases in multi-GNSS measurements from first principles and presents a consistent framework for their consideration in multi-GNSS data analysis. Other than with legacy GPS signals, the wide range of GNSS signals today results in an inflation-ary number of differential code biases (DCBs) that may need to be considered in practical multi-GNSS work. An efficient algorithm is proposed to obtain DCBs for arbitrary signal pairs from a self-consistent, minimal set of reference DCBs. Even though no standard set of DCBs for multi-GNSS work has yet emerged, the proposed algorithm can be used as a basis for future DCB products prepared by and for the geodetic community.

Item URL in elib:https://elib.dlr.de/82099/
Document Type:Conference or Workshop Item (Speech)
Title:Code Biases in Multi-GNSS Point Positioning
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:January 2013
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:GNSS, Bias, DCB
Event Title:ION-ITM-2013
Event Location:San Diego, CA
Event Type:international Conference
Event Dates:28. Jan. - 30. Jan 2013
Organizer:Institute of Navigation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:26 Apr 2013 15:24
Last Modified:08 May 2014 23:28

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